The USB3S2ESATA USB 3. 0 to eSATA Adaptor Cable lets you connect an external SATA (eSATA) device or enclosure to a host computer through USB 3. 0, in a single convenient package. The adaptor cable combines USB 3. 0 and eSATA cables into an integrated cable, with no external power source or driver installation required, for simple and hassle-free installation - No assembly or searching for the right cable required. With support for Super Speed USB 3. 0 connectivity at transfer rates up to 5 Gbps (10 times faster than USB 2. 0), and backward compatibility with USB 2. 0, the USB 3. 0 to eSATA adaptor cable provides a fast and easy-to-use Plug-and-Play experience for home, office or laptop users alike. Description If used with the Apple Mac OS operating system, this device will function in USB 2. 0 mode only. eSATA port does not support Port Multiplier. Product Features Super Speed USB 3 compliant host interface, with supported data transfer rates of up to 5 Gbps eSATA interface compliant with SATA revision 2 and other SATA revisions, with supported data transfer rates up to 3 Gbps Integrated 1m (33ft) USB 3 cable and 30cm (1ft) eSATA cable No driver or software installation required Backward compatible with USB 2 systems, with support for USB 2 transfer rates of up to 480 Mbps Built-in Link/Activity LED indicator Plug-and-Play and Hot-Swap compatible